What is the hydroxide ion concentration of a lye solution that has a pH of 11.20? A)6.31 × 10^-12 M B)1.58 × 10^-3 M C)2.80 M D)11.20 M

Name: What is the hydroxide ion concentration of a lye solution that has a pH of 11.20? A)6.31 × 10 -12 M B)1.58 × 10 -3 M C)2.80 M D)11.20 M
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Quizplus · Accepted Answer

pH = 11.20
pOH = 14 - pH = 2.80
pOH = - log[OH-]
2.80 = - log[OH-]
[OH-] = 10^-2.80 = 1.58 × 10^-3 M, which is option B.

What Is the Hydroxide Ion Concentration of a Lye Solution